mayurimjani
mayurimjani
25-06-2016
Mathematics
contestada
evaluate: sin (225degree)
Respuesta :
olemakpadu
olemakpadu
26-06-2016
sin(225)
225 degrees is in the 3rd quadrant. And in the third quadrant only tangent is positive, sin is negative.
For third quadrant, basic angle = 225 - 180 = 45
sin225 = - sin45
sin225 = - sin45 = -0.7071
sin 225° ≈ -0.7071
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
She measures it and finds out it is 24 feet long by 121 2 feet wide. She wants to know how many square feet of sod she will need to completely cover the yard. H
In the sentence below, first select the adverb then select the verb it modifies. The ship sailed smoothly across the bay. Adverb: Verb modified:
find the area of 4,4,8,2
For each $75 gym membership sold, the gym keeps $55 and the employee who sold it gets $20 in commission. The commission the employee earned represents what perc
What are the coordinates of point k
Who is narrating the passage?Who is he describing?• What is the 'performance' the narrator has witnessed?Is the narrator comfortable with what is happening? Yes
Solve: (x – 3)(x – 5) = 35 (hint: first you must distribute; then set your equation equal to zero, then factor, then solve. Posting again because no one answe
WVXZ is a parallelogram. Given that <ZXV = 70° and <WZX =4y+34, find y and m<Z
The Soviet Union had what type of economic system? A. feudalist B. Socialist C. Communist D. capitalist
The following statement would be evidence for which characteristic of society? Statement: People were put into different social classes so that society could ru
